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All results from a given calculation for NH2NO2 (nitramide)

using model chemistry: B2PLYP=FULLultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 1A'

Conformer 1 (C2V)

Jump to S1C2
Vibrational Frequencies calculated at B2PLYP=FULLultrafine/6-311G*
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-260.910506
Energy at 298.15K 
HF Energy-260.634329
Nuclear repulsion energy127.045136
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULLultrafine/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3569 3569 27.66      
2 A' 1678 1678 65.72      
3 A' 1387 1387 218.93      
4 A' 1023 1023 22.31      
5 A' 841 841 229.16      
6 A' 741 741 62.29      
7 A' 659 659 60.93      
8 A" 3699 3699 37.70      
9 A" 1704 1704 254.86      
10 A" 1282 1282 52.77      
11 A" 576 576 2.22      
12 A" 423 423 29.51      

Unscaled Zero Point Vibrational Energy (zpe) 8790.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8790.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/6-311G*
ABC
0.41992 0.39673 0.20549

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.086 -1.250 0.000
N2 0.002 0.145 0.000
O3 0.002 0.684 1.095
O4 0.002 0.684 -1.095
H5 -0.321 -1.608 -0.852
H6 -0.321 -1.608 0.852

Atom - Atom Distances (Å)
  N1 N2 O3 O4 H5 H6
N11.39762.22422.22421.00991.0099
N21.39761.22071.22071.97561.9756
O32.22421.22072.19073.02472.3271
O42.22421.22072.19072.32713.0247
H51.00991.97563.02472.32711.7040
H61.00991.97562.32713.02471.7040

picture of nitramide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 116.142 N1 N2 O4 116.142
N2 N1 H5 109.228 N2 N1 H6 109.228
O3 N2 O4 127.613 H5 N1 H6 115.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability